In fact, it's -50. However, I like -40 since I don't have to put on the units. At -40 you get frost on your nose hairs. At -50, spit freezes before it hits the ground. At least, so I'm told, as I have never experienced that sort of cold. (It rhymes!),
Has the weather turned on a dime? Not quite, since this started in March, when the El Nino collapsed. This wasn't your ordinary en, it was the penultimate event of a 20 year cycle. Normally, every 7 years, the Pacific currents reverse and dump heat. California depends on this cycle, since their dams can only take 7 years of drought. But this cycle builds up heat, and has a major dump every 20 years.
The 300 year cycle is interesting, but nobody has seen the mechanism work. I suspect the equatorial currents move down South, and there is no Gulf Stream or North Pacific current for a couple of hundred years. Then they move up again, and these currents are strong for 300 years. Anyway, I think we are in the middle of a northern warm cycle.
If you want to know what is in store for the next 20 years, just look a the 70's and 80's.
This cold weather was the only way to break the backs of the warmie fanatics. There were not amenable to any Scientific Method thing, since this was an article of faith that carbon dioxide warmed the Earth. So, we had to endure them for 20 years. Now, they are big into plastics and the evil oil companies. At least there is a technical solution.
How do we clean up the warmie mess? We may have to go back to 'clean coal', which is actually quite expensive. Oil and natural gas (being cheap) may end next year, with Oklahoma blowing up. We'll all be so cold, we'll want co2 warming us up, but it won't. Co2 does nothing.
This cold will bring back the ozone holes. They are associated with a strong polar vortex, not any chemicals. The physics for all of this could be done easily, but it has been suppressed. I'd love to see atmospheric physics come back into the world.
The Earth is in the 'Snowball Earth' phase, which is the 300 million year cycle. However, ice advances only started 2 to 3 million years ago. Before that, it was still warm from the Mesozoic. Then all those Arctic warm-weather species had the shock of their life (on a species basis). This cycle is caused by plate tectonics, from the bunched up continents (hot) to the fully spread continents (cold). We are well into this cycle, but we have been saved by the fact that the continents don't like all that ice, and sink below sea level. Yeah for isostatic motions!
Again, this is all easily modelled with physics, and confirmed with geology. For the last 20 years, all the people who knew this were tarred by association with the evil oil companies. :)
ps. we can now go for methanol fuel cells, from natural gas, not 'green' crap.
pps. warmies at the guard are still living in March, when the en died. I hope they don't freeze to death.